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Finding the Fourth Proportional to 158,398.86, 237,575.97 and 40,062.90

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Solution

The fourth proportional to 158,398.86, 237,575.97 and 40,062.90 is: 60,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,398.86 : 237,575.97 = 40,062.90 : x
  2. Step 2: Convert to fraction form
    158,398.86/237,575.97 = 40,062.90/x
  3. Step 3: Cross multiply
    158,398.86x = 237,575.97 × 40,062.90
  4. Step 4: Simplify right side
    158,398.86x = 9,517,982,328.51
  5. Step 5: Solve for x
    x = 9,517,982,328.51/158,398.86
  6. Step 6: Final answer
    x = 60,088.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.